As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON STGR 26RH BETWEEN FS=280 TO FS=310 AT MAIN AVIONICS COMPARTMENT.
ACTION CORRECTIVE: STGR 26RH BETWEEN FS=280 TO FS=333 AT MAIN AVIONICS COMPARTMENT WAS REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01 PAR. 6 A AND CRJ-900 SRM 51-42-20-001-001-A01 PAR. 6 A